/* roulang page: index */
/* ========== Design Variables ========== */
:root {
  --primary: #0F6B4F;
  --primary-dark: #0A4A36;
  --primary-deep: #07251B;
  --field-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  --accent: #FFBE3D;
  --accent-hover: #F5B02E;
  --page-bg: #F6F8F6;
  --card-bg: #FFFFFF;
  --body-text: #17211C;
  --text-light: #5F6E66;
  --tag-bg: #EAF3EE;
  --border-line: rgba(7, 37, 27, 0.12);
  --deep-field: #081F17;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-banner: 24px;
  --shadow-card: 0 2px 4px rgba(7, 37, 27, 0.04), 0 8px 24px rgba(7, 37, 27, 0.08);
  --shadow-card-hover: 0 8px 16px rgba(7, 37, 27, 0.08), 0 16px 40px rgba(7, 37, 27, 0.12);
  --container-max: 1200px;
  --section-space: 96px;
  --section-space-m: 56px;
}

/* ========== Reset / Base ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}
body {
  font-family: var(--field-font);
  background-color: var(--page-bg);
  color: var(--body-text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body.nav-open {
  overflow: hidden;
}
img {
  max-width: 100%;
  display: block;
  border: 0;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease, opacity 0.2s ease;
}
a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(15, 107, 79, 0.45);
  outline-offset: 2px;
}
ul, ol {
  list-style: none;
}
button {
  font-family: var(--field-font);
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== Button Components ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  transition: all 0.3s ease;
  text-align: center;
  line-height: 1.4;
  white-space: nowrap;
}
.btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.btn-primary {
  background: var(--accent);
  color: #0A3B2A;
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #07251B;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(245, 176, 46, 0.33);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}
.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.9);
  color: #ffffff;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #ffffff;
  transform: translateY(-2px);
}
.btn-outline-light:active {
  transform: translateY(0);
}
.btn-outline-green {
  background: transparent;
  border-color: rgba(15, 107, 79, 0.4);
  color: var(--primary);
}
.btn-outline-green:hover {
  border-color: var(--primary);
  background: rgba(15, 107, 79, 0.06);
}
.btn-block {
  width: 100%;
}
.btn-sm {
  padding: 8px 18px;
  font-size: 0.9rem;
  border-radius: 10px;
}

.text-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--primary);
  transition: color 0.25s ease;
}
.text-btn svg {
  width: 18px;
  height: 18px;
}
.text-btn:hover {
  color: var(--primary-dark);
}

/* ========== Section ========== */
.section {
  padding: var(--section-space) 0;
  position: relative;
}
.section-tight {
  padding: 64px 0;
}
.section-head {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 48px;
}
.section-label {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-label::before {
  content: "";
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
}
.section-title {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--body-text);
  letter-spacing: -0.01em;
}
.section-desc {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 720px;
  line-height: 1.8;
}

/* ========== Header / Nav ========== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(7, 37, 27, 0.08);
  backdrop-filter: blur(4px);
  transition: box-shadow 0.25s ease;
}
.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(7, 37, 27, 0.08);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  text-decoration: none;
}
.brand-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--primary);
  color: var(--accent);
  font-weight: 800;
  font-size: 1.4rem;
  line-height: 1;
  flex-shrink: 0;
  aspect-ratio: 1 / 1;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}
.brand-text .brand-top {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary-deep);
  letter-spacing: 0.02em;
}
.brand-text .brand-bottom {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.08em;
  opacity: 0.8;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav li a {
  display: inline-block;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--body-text);
  border-radius: 10px;
  position: relative;
  transition: color 0.2s ease, background-color 0.2s ease;
}
.main-nav li a:hover {
  color: var(--primary);
  background: var(--tag-bg);
}
.main-nav li.active a {
  color: var(--primary);
  background: rgba(15, 107, 79, 0.08);
  font-weight: 700;
}
.main-nav li.active a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.nav-download-btn {
  margin-left: 8px;
}
.nav-download-btn .btn {
  padding: 8px 20px;
  font-size: 0.9rem;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--tag-bg);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.nav-toggle svg {
  width: 22px;
  height: 22px;
  fill: var(--primary);
}

/* mobile drawer */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1500;
  background: #fbfdfb;
  padding: 28px 24px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.mobile-nav.active {
  display: block;
  opacity: 1;
  visibility: visible;
}
.mobile-nav-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}
.mobile-nav-close {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--tag-bg);
}
.mobile-nav-close svg {
  width: 22px;
  height: 22px;
  fill: var(--primary);
}
.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 36px;
}
.mobile-nav-list a {
  display: block;
  padding: 14px 12px;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--body-text);
}
.mobile-nav-list a:hover {
  background: var(--tag-bg);
}
.mobile-nav-list li.active a {
  background: var(--tag-bg);
  color: var(--primary);
}

/* ========== Hero: 与页面配合的 visual ========== */
.hero {
  background: var(--primary-deep);
  background-image: linear-gradient(130deg, rgba(15, 107, 79, 0.68) 0%, rgba(7, 37, 27, 0.92) 70%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center 32%;
  padding: 76px 0 88px;
  color: #fff;
  position: relative;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 37, 27, 0.25) 0%, transparent 33%), radial-gradient(circle at 70% 60%, rgba(255, 190, 61, 0.09) 0%, transparent 40%);
  pointer-events: none;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 2;
}
.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
  color: #ffffff;
}
.hero-sub {
  font-size: 1.18rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-bottom: 28px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  align-items: center;
  margin-top: 12px;
}
.hero-badges span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
}
.hero-badges svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.hero-version-line {
  display: inline-block;
  margin-top: 25px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 6px 16px;
}
.hero-version-line a {
  color: var(--accent);
  font-weight: 600;
  padding-left: 4px;
}
.hero-visual {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 32px;
  padding: 20px;
  position: relative;
  backdrop-filter: blur(2px);
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.hero-visual img {
  width: 100%;
  border-radius: 20px;
  aspect-ratio: 4/3;
  object-fit: cover;
}
.hero-mini-card {
  position: absolute;
  bottom: 30px;
  left: -6px;
  background: rgba(255, 255, 255, 0.96);
  border-radius: 14px;
  padding: 10px 13px;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--primary-dark);
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: 0 12px 24px rgba(0,0,0,0.18);
}
.hero-mini-card svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

/* ========== Value2 ========== */
.value-section {
  background: var(--page-bg);
}
.value-grid,
.value-row {
  display: flex;
  flex-direction: column;
  gap: 56px;
}
.value-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.value-item:nth-child(even) {
  direction: rtl;
}
.value-item:nth-child(even) > * {
  direction: ltr;
}
.value-icon {
  width: 52px;
  height: 52px;
  background: var(--tag-bg);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.value-icon svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: var(--primary);
  stroke-linecap: round;
  stroke-width: 1.8;
}
.value-item h3 {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.35;
}
.value-item p {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}
.value-note {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}
.value-note span {
  background: var(--tag-bg);
  color: var(--primary-dark);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 0.85rem;
  font-weight: 600;
}
.value-img {
  border-radius: var(--radius-banner);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.value-img img {
  aspect-ratio: 5 / 3.4;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.value-img:hover img {
  transform: scale(1.03);
}

/* ========== Swiper area ========== */
.showcase-section {
  background: #ffffff;
}
.showcase-track-area {
  position: relative;
  margin: 10px -12px 0;
}
.showcase-scroll {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 18px;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) #d9e3dd;
  margin: 0 30px;
}
.showcase-scroll::-webkit-scrollbar {
  height: 6px;
}
.showcase-scroll::-webkit-scrollbar-track {
  background: #e8f0eb;
  border-radius: 6px;
}
.showcase-scroll::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 6px;
}
.showcase-card {
  flex: 0 0 calc(33.333% - 15px);
  scroll-snap-align: center;
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(7, 37, 27, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
}
.showcase-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}
.showcase-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.showcase-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.showcase-card:hover .showcase-media img {
  transform: scale(1.05);
}
.showcase-body {
  padding: 20px;
}
.showcase-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 7px;
}
.showcase-body p {
  color: var(--text-light);
  font-size: 0.92rem;
  line-height: 1.7;
}
.showcase-arrow {
  position: absolute;
  top: 42%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  background: white;
  border-radius: 50%;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.09);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  z-index: 2;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.showcase-arrow svg {
  width: 22px;
  height: 22px;
}
.showcase-arrow:hover {
  background: var(--primary);
  color: #ffffff;
}
.showcase-arrow-prev {
  left: 0;
}
.showcase-arrow-next {
  right: 0;
}
.showcase-dots {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 12px;
}
.showcase-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #cdd9d2;
  transition: all 0.3s ease;
}
.showcase-dot.active {
  background: var(--primary);
  width: 26px;
}

/* ========== System Requirements ========== */
.sys-section {
  background: var(--page-bg);
}
.sys-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 38px;
}
.sys-card {
  background: var(--card-bg);
  border-radius: var(--radius-banner);
  border: 1px solid rgba(7, 37, 27, 0.07);
  padding: 34px;
  box-shadow: var(--shadow-card);
}
.sys-card-head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-line);
}
.sys-icon {
  width: 58px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  border-radius: 16px;
  color: var(--accent);
  font-size: 1.8rem;
}
.sys-icon svg {
  width: 34px;
  height: 34px;
  fill: var(--accent);
}
.sys-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
}
.sys-list {
  display: flex;
  flex-direction: column;
  margin-bottom: 22px;
}
.sys-list li {
  font-size: 1rem;
  padding: 13px 0;
  border-bottom: 1px solid rgba(7, 37, 27, 0.06);
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.sys-list li:last-child {
  border-bottom: none;
}
.sys-list li strong {
  color: var(--body-text);
  min-width: 100px;
  display: inline-block;
  font-weight: 600;
}
.sys-list li span {
  color: var(--text-light);
}
.sys-download {
  margin-top: 8px;
}

/* ========== Reviews ========== */
.review-section {
  background: white;
}
.review-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--tag-bg);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  margin-bottom: 42px;
  color: var(--primary-dark);
}
.review-score-badge {
  background: white;
  border-radius: 10px;
  padding: 4px 12px;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--primary);
}
.review-summary small {
  opacity: 0.65;
  font-size: 0.8rem;
  margin-left: auto;
}
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: var(--page-bg);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.review-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.review-avatar {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  font-size: 1rem;
}
.review-name {
  font-weight: 700;
  font-size: 0.98rem;
}
.review-type {
  font-size: 0.75rem;
  color: var(--text-light);
}
.star-row {
  color: var(--accent);
  letter-spacing: 0.12em;
  font-size: 1rem;
  margin-bottom: 10px;
}
.review-text {
  font-size: 0.95rem;
  line-height: 1.8;
  color: #2a3a31;
}
.review-tag {
  font-size: 0.78rem;
  color: var(--primary);
  margin-top: 12px;
  font-weight: 600;
}

/* ========== CTA banner ========== */
.cta-banner {
  background: var(--primary-deep);
  background-image: linear-gradient(120deg, rgba(7, 37, 27, 0.82), rgba(10, 74, 54, 0.67)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-banner);
  padding: 54px 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  color: #fff;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-banner::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 35%;
  background: radial-gradient(circle at right, rgba(255, 190, 61, 0.18) 0%, transparent 65%);
  pointer-events: none;
}
.cta-info {
  position: relative;
  z-index: 2;
}
.cta-info h2 {
  font-size: clamp(1.6rem, 2.4vw, 2rem);
  font-weight: 800;
  margin-bottom: 10px;
  color: #ffffff;
}
.cta-info p {
  color: rgba(255, 255, 255, 0.76);
  max-width: 520px;
  font-size: 1rem;
}
.cta-actions {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}
.qr-box {
  width: 118px;
  height: 118px;
  border-radius: 14px;
  border: 2px dashed rgba(255, 255, 255, 0.47);
  background: rgba(255, 255, 255, 0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.42);
  text-align: center;
  padding: 10px;
  line-height: 1.4;
}
.cta-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

/* ========== News / List cards ========== */
.news-section {
  background: var(--page-bg);
}
.news-cards {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.news-card {
  display: flex;
  flex-direction: row;
  align-items: center;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(7, 37, 27, 0.06);
  box-shadow: var(--shadow-card);
  padding: 16px;
  gap: 22px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.news-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
}
.news-media {
  width: 210px;
  flex-shrink: 0;
  aspect-ratio: 3 / 2;
  border-radius: 14px;
  overflow: hidden;
}
.news-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .news-media img {
  transform: scale(1.06);
}
.news-info {
  flex: 1;
  min-width: 0;
}
.news-info-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}
.news-cat {
  background: var(--tag-bg);
  color: var(--primary);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 0.78rem;
  font-weight: 700;
}
.news-date {
  font-size: 0.85rem;
  color: var(--text-light);
}
.news-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.45;
  color: var(--body-text);
  transition: color 0.2s;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card h3 a {
  color: inherit;
}
.news-card h3 a:hover {
  color: var(--primary);
}
.news-summary {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-more {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.85rem;
}
.empty-news {
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(15, 107, 79, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 20px;
  color: var(--text-light);
  gap: 10px;
}
.empty-news svg {
  width: 42px;
  height: 42px;
  color: var(--primary);
  opacity: 0.6;
}

/* ========== FAQ ========== */
.faq-section {
  background: white;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 860px;
  margin: 0 auto;
}
.faq-item {
  background: var(--page-bg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(7, 37, 27, 0.05);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 20px;
  font-weight: 700;
  font-size: 1.02rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  border-radius: var(--radius-md);
  color: var(--body-text);
  transition: background-color 0.25s ease, color 0.25s;
}
.faq-question:hover {
  background: rgba(15, 107, 79, 0.05);
  color: var(--primary);
}
.faq-question .faq-icon {
  transition: transform 0.35s ease;
  width: 22px;
  height: 22px;
  fill: currentColor;
}
.faq-item.open .faq-question {
  color: var(--primary);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease;
}
.faq-answer-inner {
  padding: 0 20px 20px;
  color: var(--text-light);
  line-height: 1.85;
  font-size: 0.97rem;
  border-top: 1px solid rgba(7, 37, 27, 0.07);
  padding-top: 14px;
  margin: 0 20px 0;
}
.faq-item.open .faq-answer {
  max-height: 500px;
}

/* ========== footer pre-cta ========== */
.pre-footer {
  background: var(--page-bg);
  padding: 30px 0 70px;
}
.pre-cta-box {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.pre-cta-box h2 {
  font-size: 1.6rem;
  font-weight: 800;
}
.pre-cta-box p {
  color: var(--text-light);
  margin-top: 10px;
  margin-bottom: 26px;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--deep-field);
  color: #8ca79b;
  padding-top: 84px;
  padding-bottom: 34px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
  gap: 50px;
  margin-bottom: 56px;
}
.footer-about .brand {
  margin-bottom: 12px;
}
.footer-about .brand-text .brand-top {
  color: #ffffff;
}
.footer-about {
  color: #8ca79b;
  font-size: 0.92rem;
  line-height: 1.8;
  max-width: 320px;
}
.footer-about p {
  margin-top: 14px;
}
.footer-col-title {
  font-size: 0.8rem;
  letter-spacing: 0.13em;
  font-weight: 700;
  color: rgba(255,255,255,0.65);
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  color: #8ca79b;
  font-size: 0.95rem;
}
.footer-col ul a:hover {
  color: var(--accent);
}
.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  margin-bottom: 9px;
}
.footer-contact-list li svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 26px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: #6e8a7d;
  font-size: 0.9rem;
  flex-wrap: wrap;
}

/* ========== Page link common ========== */
.page-link-more {
  color: var(--primary);
  font-weight: 600;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .nav-download-btn {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .hero .container {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .hero-visual {
    max-width: 420px;
  }
  .showcase-card {
    flex: 0 0 calc(50% - 13px);
  }
  .sys-grid {
    gap: 24px;
  }
  .review-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .section {
    padding: var(--section-space-m) 0;
  }
  .value-item {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .value-img {
    order: 2;
  }
  .value-item:nth-child(even) {
    direction: ltr;
  }
  .value-item:nth-child(even) > * {
    direction: ltr;
  }
  .news-card {
    flex-direction: column;
    align-items: stretch;
  }
  .news-media {
    width: 100%;
    aspect-ratio: 16 / 8;
  }
  .review-grid {
    grid-template-columns: 1fr;
  }
  .sys-grid {
    grid-template-columns: 1fr;
  }
  .cta-banner {
    padding: 34px 24px;
  }
  .showcase-scroll {
    margin: 0 18px;
  }
  .showcase-card {
    flex: 0 0 75%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 30px;
  }
}
@media (max-width: 520px) {
  .navbar {
    height: 65px;
  }
  .container {
    padding: 0 18px;
  }
  .hero {
    padding-top: 42px;
  }
  .hero .container {
    padding: 0 18px;
  }
  .hero-downloads {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-downloads .btn {
    width: 100%;
  }
  .hero-badges span {
    font-size: 0.82rem;
  }
  .btn {
    width: 100%;
    max-width: 100%;
  }
  .cta-actions {
    width: 100%;
    align-items: center;
  }
  .cta-btn-group {
    width: 100%;
    flex-direction: column;
  }
  .showcase-card {
    flex: 0 0 100%;
  }
  .review-summary {
    padding: 14px 16px;
    gap: 9px;
  }
}

/* roulang page: category1 */
:root {
      --primary: #0F6B4F;
      --primary-dark: #0A4A36;
      --primary-deep: #07251B;
      --accent: #FFBE3D;
      --accent-hover: #F5B02E;
      --bg: #F6F8F6;
      --card-bg: #FFFFFF;
      --dark-block: #081F17;
      --text: #17211C;
      --muted: #5F6E66;
      --tag-bg: #EAF3EE;
      --divider: rgba(7,37,27,0.12);
      --radius-card: 20px;
      --radius-inner: 12px;
      --shadow-card: 0 2px 4px rgba(7,37,27,0.04), 0 8px 24px rgba(7,37,27,0.08);
      --shadow-hover: 0 8px 16px rgba(7,37,27,0.08), 0 16px 40px rgba(7,37,27,0.12);
      --font-main: "PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-main);
      background: var(--bg);
      color: var(--text);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, background .2s ease, box-shadow .2s ease;
    }

    ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }

    img {
      max-width: 100%;
      display: block;
    }

    button,
    input,
    textarea {
      font-family: inherit;
    }

    a:focus-visible,
    button:focus-visible {
      outline: 3px solid rgba(15,107,79,.45);
      outline-offset: 3px;
      border-radius: 6px;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    .section-padded {
      padding: 92px 0;
    }

    .section-padded-sm {
      padding: 64px 0;
    }

    .section-head {
      max-width: 820px;
      margin-bottom: 52px;
    }

    .section-head.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }

    .section-head.center .section-head-line {
      margin-left: auto;
      margin-right: auto;
    }

    .section-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: .85rem;
      letter-spacing: .08em;
      color: var(--primary);
      background: var(--tag-bg);
      border-radius: 999px;
      padding: 7px 16px;
      margin-bottom: 16px;
    }

    .section-eyebrow::before {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--accent);
    }

    .section-head h2 {
      font-size: clamp(1.6rem, 2.6vw, 2.2rem);
      line-height: 1.3;
      margin: 0 0 14px;
      color: var(--text);
      letter-spacing: -.02em;
    }

    .section-head p {
      margin: 0;
      color: var(--muted);
      font-size: 1rem;
      line-height: 1.85;
    }

    .section-head-line {
      width: 48px;
      height: 4px;
      background: var(--accent);
      border-radius: 99px;
      margin-top: 6px;
    }

    a:focus-visible,
    .btn:focus-visible,
    .nav-toggle:focus-visible,
    .faq-question:focus-visible {
      outline: 3px solid rgba(15, 107, 79, .45);
      outline-offset: 3px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: 2px solid transparent;
      border-radius: 12px;
      padding: 14px 26px;
      font-size: 1rem;
      font-weight: 700;
      line-height: 1.4;
      cursor: pointer;
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease, border-color .2s ease, color .2s ease;
      min-height: 48px;
    }

    .btn svg {
      flex: none;
    }

    .btn-primary {
      background: var(--accent);
      color: var(--primary-dark);
      box-shadow: 0 2px 6px rgba(7,37,27,.12);
    }

    .btn-primary:hover {
      background: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .btn-primary:active {
      transform: translateY(1px);
      box-shadow: none;
    }

    .btn-outline-white {
      background: transparent;
      border-color: rgba(255,255,255,.75);
      color: #ffffff;
    }

    .btn-outline-white:hover {
      background: rgba(255,255,255,.14);
      border-color: #ffffff;
      transform: translateY(-2px);
    }

    .btn-outline {
      background: #ffffff;
      border-color: rgba(7,37,27,.18);
      color: var(--primary-dark);
    }

    .btn-outline:hover {
      border-color: var(--primary);
      background: var(--tag-bg);
      transform: translateY(-2px);
    }

    .btn-sm {
      padding: 8px 18px;
      font-size: .9rem;
      border-radius: 10px;
      min-height: 42px;
    }

    .btn-lg {
      padding: 16px 32px;
      font-size: 1.06rem;
    }

    /* Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(255,255,255,.96);
      border-bottom: 1px solid var(--divider);
      box-shadow: 0 1px 8px rgba(7,37,27,.03);
    }

    .navbar {
      height: 72px;
      display: flex;
      align-items: center;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .brand-mark {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      background: var(--primary);
      color: #ffffff;
      font-size: 22px;
      font-weight: 800;
      border-radius: 13px;
      box-shadow: 0 4px 12px rgba(15,107,79,.28);
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.16;
    }

    .brand-top {
      font-weight: 800;
      font-size: 1.05rem;
      color: var(--text);
      letter-spacing: .02em;
    }

    .brand-bottom {
      font-weight: 700;
      font-size: .72rem;
      color: var(--primary);
      letter-spacing: .06em;
    }

    .main-nav {
      margin-left: auto;
    }

    .main-nav ul {
      display: flex;
      align-items: center;
      gap: 2px;
    }

    .main-nav ul li a {
      display: inline-flex;
      align-items: center;
      position: relative;
      padding: 10px 16px;
      margin: 0 2px;
      font-size: .96rem;
      font-weight: 600;
      color: var(--text);
      border-radius: 999px;
    }

    .main-nav ul li a::after {
      content: "";
      position: absolute;
      left: 50%;
      bottom: 2px;
      width: 0;
      height: 3px;
      border-radius: 999px;
      background: var(--accent);
      transform: translateX(-50%);
      transition: width .25s ease;
    }

    .main-nav ul li a:hover {
      background: var(--tag-bg);
      color: var(--primary);
    }

    .main-nav ul li.active a {
      background: var(--tag-bg);
      color: var(--primary);
    }

    .main-nav ul li.active a::after {
      width: 22px;
    }

    .nav-right {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .nav-download-btn .btn svg {
      display: block;
    }

    .nav-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      color: var(--text);
      background: var(--bg);
      border-radius: 12px;
    }

    /* Hero */
    .hero {
      position: relative;
      background: var(--primary-deep);
      color: #ffffff;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: url("/assets/images/backpic/back-1.png");
      background-size: cover;
      background-position: center;
      opacity: .34;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(100deg, rgba(7,37,27,.94) 0%, rgba(7,37,27,.72) 60%, rgba(7,37,27,.5) 100%);
    }

    .hero .container {
      position: relative;
      z-index: 2;
    }

    .hero-content {
      display: grid;
      grid-template-columns: 1.04fr .96fr;
      gap: 64px;
      padding: 100px 0 92px;
      align-items: center;
    }

    .breadcrumb-hero {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: .9rem;
      color: rgba(255,255,255,.72);
      margin-bottom: 24px;
      flex-wrap: wrap;
    }

    .breadcrumb-hero a {
      color: rgba(255,255,255,.88);
    }

    .breadcrumb-hero a:hover {
      color: var(--accent);
    }

    .breadcrumb-hero span {
      opacity: .55;
    }

    .hero h1 {
      font-size: clamp(2rem, 4.2vw, 3.4rem);
      line-height: 1.2;
      margin: 0 0 20px;
      color: #ffffff;
      letter-spacing: -.02em;
    }

    .hero-desc {
      font-size: 1.08rem;
      line-height: 1.75;
      color: rgba(255,255,255,.86);
      max-width: 560px;
      margin: 0 0 32px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 28px;
    }

    .hero-trust {
      display: flex;
      align-items: center;
      gap: 24px;
      flex-wrap: wrap;
      padding: 14px 20px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.12);
      border-radius: 999px;
      width: fit-content;
    }

    .hero-trust-item {
      display: flex;
      align-items: center;
      gap: 6px;
      font-size: .86rem;
      color: rgba(255,255,255,.88);
    }

    .hero-trust-item svg {
      width: 16px;
      height: 16px;
      color: var(--accent);
    }

    .hero-visual {
      position: relative;
    }

    .hero-visual .visual-card {
      background: rgba(255,255,255,.1);
      border: 1px solid rgba(255,255,255,.18);
      border-radius: 24px;
      overflow: hidden;
      box-shadow: 0 30px 60px rgba(0,0,0,.35);
      backdrop-filter: blur(4px);
    }

    .hero-visual .visual-card img {
      width: 100%;
      height: 420px;
      object-fit: cover;
    }

    .hero-float-card {
      position: absolute;
      bottom: -22px;
      left: -18px;
      background: #ffffff;
      border-radius: 16px;
      color: var(--text);
      padding: 14px 18px;
      font-size: .88rem;
      box-shadow: var(--shadow-hover);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .hero-float-card .float-dot {
      width: 10px;
      height: 10px;
      background: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 0 5px rgba(255,190,61,.25);
    }

    /* Breadcrumb area after header, small */
    .section-breadcrumb {
      padding: 24px 0 0;
      background: transparent;
    }

    /* Platform intro: 旁路导读 */
    .platform-intro {
      background: #ffffff;
      padding: 88px 0;
    }

    .intro-layout {
      display: grid;
      grid-template-columns: 250px 1fr;
      gap: 64px;
      align-items: start;
    }

    .toc-panel {
      position: sticky;
      top: 110px;
      background: var(--bg);
      border: 1px solid var(--divider);
      border-radius: 20px;
      padding: 24px 20px;
      box-shadow: var(--shadow-card);
    }

    .toc-panel h3 {
      font-size: 1.1rem;
      margin: 0 0 18px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--divider);
    }

    .toc-panel ul li {
      margin-bottom: 4px;
    }

    .toc-panel ul li a {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 9px 12px;
      border-radius: 10px;
      color: var(--muted);
      font-size: .92rem;
      font-weight: 600;
      transition: all .2s ease;
    }

    .toc-panel ul li a::before {
      content: "";
      width: 5px;
      height: 5px;
      border-radius: 50%;
      background: var(--primary);
      opacity: .35;
      transition: opacity .2s;
    }

    .toc-panel ul li a:hover {
      background: #ffffff;
      color: var(--primary);
      box-shadow: var(--shadow-card);
    }

    .toc-panel ul li a:hover::before {
      opacity: 1;
    }

    .intro-copy h2 {
      font-size: clamp(1.5rem, 2.4vw, 2rem);
      line-height: 1.35;
      margin: 0 0 18px;
    }

    .intro-copy p {
      margin: 0 0 18px;
      color: var(--text);
      line-height: 1.9;
    }

    .intro-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 32px;
    }

    .intro-block-item {
      background: var(--bg);
      border-radius: 16px;
      padding: 20px;
      border: 1px solid rgba(7,37,27,.08);
    }

    .intro-block-item strong {
      display: block;
      color: var(--primary-dark);
      margin-bottom: 6px;
      font-size: 1rem;
    }

    .intro-block-item span {
      color: var(--muted);
      font-size: .93rem;
      line-height: 1.7;
    }

    /* Feature cards */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: #ffffff;
      border: 1px solid transparent;
      border-radius: var(--radius-card);
      padding: 34px 30px;
      box-shadow: var(--shadow-card);
      transition: all .25s ease;
      position: relative;
      overflow: hidden;
    }

    .feature-card::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      width: 4px;
      height: 0;
      background: var(--accent);
      border-radius: 0 4px 4px 0;
      transition: height .25s ease;
    }

    .feature-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .feature-card:hover::before {
      height: 100%;
    }

    .feature-icon {
      width: 54px;
      height: 54px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--tag-bg);
      color: var(--primary);
      border-radius: 16px;
      margin-bottom: 18px;
    }

    .feature-icon svg {
      width: 27px;
      height: 27px;
    }

    .feature-card h3 {
      font-size: 1.28rem;
      line-height: 1.4;
      margin: 0 0 12px;
    }

    .feature-card p {
      color: var(--muted);
      margin: 0;
      line-height: 1.8;
      font-size: .95rem;
    }

    /* Feature rows */
    .feature-rows {
      background: #ffffff;
    }

    .feature-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 64px;
      align-items: center;
      margin-bottom: 64px;
    }

    .feature-row:last-child {
      margin-bottom: 0;
    }

    .feature-row.reverse .feature-text {
      order: 2;
    }

    .feature-row.reverse .feature-media {
      order: 1;
    }

    .feature-media {
      border-radius: 24px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .feature-media img {
      width: 100%;
      height: 320px;
      object-fit: cover;
    }

    .feature-text h3 {
      font-size: 1.55rem;
      line-height: 1.4;
      margin: 0 0 16px;
    }

    .feature-text p {
      color: var(--muted);
      line-height: 1.9;
      margin: 0 0 16px;
    }

    .feature-text-list {
      margin: 0;
    }

    .feature-text-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      margin-bottom: 10px;
      color: var(--text);
      font-size: .96rem;
    }

    .feature-text-list li::before {
      content: "";
      flex: none;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--accent);
      margin-top: 11px;
      outline: 3px solid rgba(255,190,61,.18);
    }

    .feature-tag {
      display: inline-flex;
      align-items: center;
      background: var(--tag-bg);
      color: var(--primary);
      padding: 6px 14px;
      border-radius: 999px;
      font-size: .85rem;
      font-weight: 600;
      margin-bottom: 16px;
    }

    /* Full banner */
    .full-banner {
      position: relative;
      padding: 130px 0;
      background-color: var(--dark-block);
      background-image: url("/assets/images/backpic/back-2.png");
      background-size: cover;
      background-position: center;
      background-attachment: fixed;
      color: #ffffff;
    }

    .full-banner::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(7,37,27,.94) 0%, rgba(7,37,27,.76) 45%, rgba(7,37,27,.54) 100%);
    }

    .full-banner .container {
      position: relative;
      z-index: 2;
    }

    .banner-inner {
      max-width: 680px;
    }

    .banner-inner .banner-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: .9rem;
      color: var(--accent);
      font-weight: 700;
      padding: 6px 16px;
      background: rgba(255,255,255,.08);
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 999px;
      margin-bottom: 20px;
    }

    .banner-inner h2 {
      font-size: clamp(1.7rem, 3vw, 2.4rem);
      margin: 0 0 18px;
      line-height: 1.3;
    }

    .banner-inner p {
      font-size: 1.05rem;
      line-height: 1.8;
      color: rgba(255,255,255,.88);
      margin: 0 0 28px;
    }

    .banner-actions {
      display: flex;
      gap: 14px;
      align-items: center;
      flex-wrap: wrap;
    }

    /* Scenario cards */
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .scenario-card {
      background: #ffffff;
      border-radius: 22px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid rgba(7,37,27,.06);
      transition: all .3s ease;
    }

    .scenario-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }

    .scenario-img {
      height: 200px;
      overflow: hidden;
    }

    .scenario-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .45s ease;
    }

    .scenario-card:hover .scenario-img img {
      transform: scale(1.05);
    }

    .scenario-body {
      padding: 24px;
    }

    .scenario-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 12px;
    }

    .scenario-cate {
      display: inline-flex;
      background: var(--tag-bg);
      color: var(--primary);
      font-size: .82rem;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 999px;
    }

    .scenario-body h3 {
      margin: 0 0 10px;
      font-size: 1.22rem;
      line-height: 1.45;
    }

    .scenario-body p {
      color: var(--muted);
      font-size: .95rem;
      line-height: 1.78;
      margin: 0;
    }

    /* FAQ */
    .faq-section {
      background: #ffffff;
    }

    .faq-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }

    .faq-item {
      background: var(--bg);
      border: 1px solid rgba(7,37,27,.08);
      border-radius: 18px;
      padding: 22px 24px;
      transition: all .25s ease;
    }

    .faq-item.open {
      background: #ffffff;
      box-shadow: var(--shadow-card);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      text-align: left;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 0;
      color: var(--text);
      font-size: 1rem;
      font-weight: 700;
      line-height: 1.5;
    }

    .faq-question .faq-arrow {
      flex: none;
      width: 28px;
      height: 28px;
      background: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      box-shadow: 0 2px 8px rgba(7,37,27,.08);
      transition: transform .25s ease;
    }

    .faq-item.open .faq-arrow {
      transform: rotate(180deg);
      background: var(--tag-bg);
      color: var(--primary);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .3s ease;
    }

    .faq-answer-inner {
      padding-top: 14px;
      color: var(--muted);
      font-size: .95rem;
      line-height: 1.8;
      border-top: 1px dashed rgba(7,37,27,.14);
      margin-top: 12px;
    }

    /* CTA */
    .cta-section {
      position: relative;
      padding: 116px 0;
      background-color: var(--dark-block);
      background-image: url("/assets/images/backpic/back-3.webp");
      background-size: cover;
      background-position: center;
      overflow: hidden;
    }

    .cta-section::after {
      content: "";
      position: absolute;
      inset: 0;
      background: rgba(7,37,27,.82);
    }

    .cta-section .container {
      position: relative;
      z-index: 2;
    }

    .cta-box {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 48px;
      color: #ffffff;
      flex-wrap: wrap;
    }

    .cta-copy h2 {
      font-size: clamp(1.8rem, 3vw, 2.5rem);
      line-height: 1.25;
      margin: 0 0 16px;
    }

    .cta-copy p {
      margin: 0;
      color: rgba(255,255,255,.82);
      max-width: 560px;
      line-height: 1.85;
    }

    .cta-actions {
      display: flex;
      align-items: center;
      gap: 18px;
      flex-wrap: wrap;
    }

    .qr-placeholder {
      width: 104px;
      height: 104px;
      border: 1.5px dashed rgba(255,255,255,.42);
      border-radius: 16px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: rgba(255,255,255,.65);
      font-size: .72rem;
      background: rgba(255,255,255,.08);
      text-align: center;
      gap: 4px;
    }

    .qr-placeholder svg {
      width: 30px;
      height: 30px;
      color: rgba(255,255,255,.6);
      margin-bottom: 4px;
    }

    /* Footer */
    .site-footer {
      background: #081F17;
      color: rgba(255,255,255,.72);
      padding: 70px 0 28px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 48px;
      padding-bottom: 44px;
      border-bottom: 1px solid rgba(255,255,255,.09);
    }

    .footer-about .brand {
      margin-bottom: 20px;
    }

    .footer-about p {
      margin: 0;
      color: rgba(255,255,255,.62);
      line-height: 1.9;
      font-size: .93rem;
      max-width: 300px;
    }

    .footer-col-title {
      font-size: .96rem;
      color: #ffffff;
      margin: 0 0 18px;
      font-weight: 700;
    }

    .footer-col ul li {
      margin-bottom: 12px;
    }

    .footer-col ul li a {
      color: rgba(255,255,255,.7);
      font-size: .92rem;
      transition: all .2s;
    }

    .footer-col ul li a:hover {
      color: var(--accent);
      padding-left: 3px;
    }

    .footer-contact-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      color: rgba(255,255,255,.68);
      font-size: .9rem;
      margin-bottom: 14px;
    }

    .footer-contact-list li svg {
      width: 16px;
      height: 16px;
      flex: none;
      color: var(--accent);
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding-top: 26px;
      font-size: .84rem;
      color: rgba(255,255,255,.45);
    }

    .footer-links {
      display: flex;
      gap: 22px;
    }

    .footer-links a {
      color: rgba(255,255,255,.55);
    }

    .footer-links a:hover {
      color: var(--accent);
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-content {
        grid-template-columns: 1fr;
        gap: 48px;
        padding: 80px 0;
      }

      .hero-visual {
        max-width: 580px;
      }

      .feature-row {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .feature-row.reverse .feature-text {
        order: 1;
      }

      .feature-row.reverse .feature-media {
        order: 2;
      }

      .intro-layout {
        grid-template-columns: 200px 1fr;
        gap: 40px;
      }

      .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .faq-grid {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
      }
    }

    @media (max-width: 900px) {
      .nav-toggle {
        display: inline-flex;
      }

      .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        box-shadow: 0 18px 30px rgba(7,37,27,.14);
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s ease;
        border-bottom: 1px solid var(--divider);
      }

      .main-nav.open {
        max-height: 560px;
        overflow-y: auto;
      }

      .main-nav ul {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        padding: 14px 16px;
        gap: 6px;
      }

      .main-nav ul li a {
        min-height: 48px;
        padding: 12px 18px;
        border-radius: 12px;
        justify-content: space-between;
      }

      .main-nav ul li a::after {
        left: auto;
        right: 12px;
        transform: none;
      }

      .main-nav ul li.active a::after {
        width: 6px;
        height: 6px;
        border-radius: 50%;
      }

      .nav-download-btn {
        display: none;
      }
    }

    @media (max-width: 768px) {
      .section-padded {
        padding: 64px 0;
      }

      .section-padded-sm {
        padding: 48px 0;
      }

      .platform-intro {
        padding: 56px 0;
      }

      .intro-layout {
        grid-template-columns: 1fr;
      }

      .toc-panel {
        position: static;
        display: none;
      }

      .intro-block {
        grid-template-columns: 1fr;
      }

      .features-grid {
        grid-template-columns: 1fr;
      }

      .full-banner {
        padding: 90px 0;
        background-attachment: scroll;
      }

      .hero-trust {
        width: 100%;
        border-radius: 14px;
      }

      .hero-float-card {
        left: 8px;
        bottom: -16px;
        right: 8px;
      }

      .faq-grid {
        grid-template-columns: 1fr;
      }

      .cta-box {
        gap: 40px;
      }

      .cta-actions {
        width: 100%;
      }

      .qr-placeholder {
        margin-left: auto;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 18px;
      }

      .brand-top {
        font-size: 1rem;
      }

      .brand-bottom {
        font-size: .68rem;
      }

      .navbar {
        gap: 12px;
        height: 64px;
      }

      .main-nav {
        top: 64px;
      }

      .nav-download-btn {
        display: none;
      }

      .hero-content {
        padding: 56px 0;
      }

      .hero h1 {
        font-size: 1.9rem;
      }

      .hero-actions,
      .banner-actions {
        flex-direction: column;
        align-items: stretch;
      }

      .hero-actions .btn,
      .banner-actions .btn,
      .cta-actions .btn {
        width: 100%;
      }

      .cta-section {
        padding: 80px 0;
      }

      .cta-box {
        flex-direction: column;
      }

      .cta-actions {
        width: 100%;
      }

      .qr-placeholder {
        width: 100%;
        height: 110px;
        flex-direction: row;
        gap: 8px;
      }

      .scenarios-grid {
        grid-template-columns: 1fr;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }

      .feature-media img {
        height: 230px;
      }
    }

/* roulang page: article */
:root {
  --primary: #0F6B4F;
  --primary-dark: #0A4A36;
  --primary-deep: #07251B;
  --accent: #FFBE3D;
  --accent-hover: #F5B02E;
  --bg: #F6F8F6;
  --card: #FFFFFF;
  --ink: #17211C;
  --muted: #5F6E66;
  --soft: #EAF3EE;
  --line: rgba(7, 37, 27, 0.12);
  --line-soft: rgba(7, 37, 27, 0.07);
  --radius: 12px;
  --radius-card: 20px;
  --radius-bg: 28px;
  --shadow-card: 0 2px 4px rgba(7, 37, 27, 0.04), 0 8px 24px rgba(7, 37, 27, 0.08);
  --shadow-hover: 0 8px 16px rgba(7, 37, 27, 0.08), 0 16px 40px rgba(7, 37, 27, 0.12);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

ul,
ol {
  list-style: none;
}

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

svg {
  display: block;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-main {
  padding: 48px 0 32px;
}

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 52px;
  padding: 0 24px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  white-space: nowrap;
  transition: transform .22s ease, box-shadow .22s ease, background-color .22s ease, border-color .22s ease;
}

.btn svg {
  flex: 0 0 auto;
}

.btn-primary {
  background: var(--accent);
  color: #0A3B2A;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(255, 190, 61, 0.32);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.72);
  color: #ffffff;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #ffffff;
  transform: translateY(-2px);
}

.btn-sm {
  height: 42px;
  padding: 0 18px;
  font-size: 0.9rem;
}

.btn-lg {
  height: 56px;
  padding: 0 32px;
  font-size: 1.04rem;
}

.btn-block {
  width: 100%;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(15, 107, 79, 0.45);
  outline-offset: 3px;
  border-radius: 8px;
}

/* 顶栏导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line-soft);
  box-shadow: 0 4px 18px rgba(7, 37, 27, 0.04);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--primary);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  font-weight: 800;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-top {
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: .04em;
}

.brand-bottom {
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--muted);
}

.main-nav {
  margin-left: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 2px;
}

.main-nav ul li a {
  position: relative;
  display: block;
  padding: 24px 14px 22px;
  font-weight: 600;
  font-size: .98rem;
  color: #3B4A42;
  transition: color .22s ease;
}

.main-nav ul li a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 12px;
  width: 0;
  height: 3px;
  transform: translateX(-50%);
  background: var(--accent);
  border-radius: 99px;
  transition: width .25s ease;
}

.main-nav ul li a:hover {
  color: var(--primary);
}

.main-nav ul li a:hover::after,
.main-nav ul li.active a::after {
  width: 24px;
}

.main-nav ul li.active a {
  color: var(--primary);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-download-btn {
  display: flex;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  color: var(--primary-dark);
  transition: background .2s ease;
}

.nav-toggle:hover {
  background: var(--soft);
}

.mobile-nav-cta {
  display: none;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .9rem;
  color: var(--muted);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: var(--primary);
  font-weight: 600;
  transition: opacity .2s ease;
}

.breadcrumb a:hover {
  opacity: .8;
}

.bc-separator {
  color: #B9C6BE;
}

.bc-current {
  color: var(--ink);
  font-weight: 700;
}

/* 文章卡片 */
.art-frame {
  max-width: 960px;
  margin: 0 auto;
}

.article-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-bg);
  box-shadow: var(--shadow-card);
  padding: clamp(28px, 5vw, 60px);
}

.post-head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 28px;
}

.post-head-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--soft);
  color: var(--primary);
  padding: 6px 14px;
  border-radius: 99px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .02em;
}

.safe-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: .82rem;
  background: #F2F5F2;
  padding: 5px 12px;
  border-radius: 99px;
}

.safe-chip svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

.article-title {
  font-size: clamp(1.65rem, 3vw, 2.7rem);
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -.01em;
}

.meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 24px;
  margin-top: 18px;
  color: var(--muted);
  font-size: .9rem;
}

.meta-list li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.meta-list svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
}

/* 正文 */
.article-content {
  margin-top: 32px;
  color: #25302B;
  font-size: 1.05rem;
  line-height: 1.9;
}

.article-content h2 {
  font-size: 1.48rem;
  line-height: 1.4;
  color: var(--ink);
  font-weight: 800;
  margin: 2rem 0 .8rem;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
}

.article-content h3 {
  font-size: 1.22rem;
  line-height: 1.45;
  color: var(--ink);
  font-weight: 700;
  margin: 1.6rem 0 .6rem;
}

.article-content p {
  margin: 1.05em 0;
}

.article-content a {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 1px solid rgba(15, 107, 79, .3);
  transition: border-color .2s;
}

.article-content a:hover {
  border-color: var(--primary);
}

.article-content ul,
.article-content ol {
  margin: 1.1em 0;
  padding-left: 1.5em;
}

.article-content li {
  margin: .55em 0;
}

.article-content ul li {
  list-style: disc;
}

.article-content ol li {
  list-style: decimal;
}

.article-content img {
  border-radius: 18px;
  margin: 28px 0 12px;
  box-shadow: var(--shadow-card);
}

.article-content figure {
  margin: 28px 0;
}

.article-content figure figcaption {
  font-size: .86rem;
  color: var(--muted);
  text-align: center;
  margin-top: 8px;
}

.article-content blockquote {
  background: #F0F6F2;
  border-left: 4px solid var(--primary);
  padding: 18px 22px;
  border-radius: 16px;
  margin: 1.5em 0;
  color: #33483E;
}

.article-content blockquote p {
  margin: 0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: .96rem;
}

.article-content th,
.article-content td {
  border: 1px solid var(--line);
  padding: 12px 14px;
  text-align: left;
}

.article-content th {
  background: var(--soft);
  color: var(--primary-dark);
  font-weight: 700;
}

.article-footnote {
  border-top: 1px solid var(--line);
  margin-top: 36px;
  padding-top: 22px;
  color: var(--muted);
  font-size: .86rem;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.article-footnote svg {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  margin-top: 2px;
  color: var(--primary);
}

/* 空态 */
.empty-card {
  border-radius: var(--radius-bg);
  background: var(--card);
  box-shadow: var(--shadow-card);
  padding: clamp(44px, 8vw, 96px) 28px;
  text-align: center;
}

.empty-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 22px;
  background: var(--soft);
  border-radius: 24px;
  display: grid;
  place-items: center;
  color: var(--primary);
}

.empty-icon svg {
  width: 36px;
  height: 36px;
}

.empty-card h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 10px;
}

.empty-card p {
  color: var(--muted);
  max-width: 360px;
  margin: 0 auto 28px;
}

/* 相关栏目 */
.related-block {
  padding: 64px 0 16px;
}

.block-heading {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: .18em;
  font-size: .82rem;
}

.section-kicker::before,
.section-kicker::after {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--accent);
  border-radius: 99px;
}

.block-heading h2 {
  font-size: clamp(1.55rem, 2.6vw, 2.15rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
  margin-top: 12px;
}

.block-heading .lead {
  color: var(--muted);
  margin-top: 12px;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.guide-card {
  background: var(--card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .26s ease, box-shadow .26s ease;
}

.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.guide-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.guide-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.guide-card:hover .guide-media img {
  transform: scale(1.04);
}

.guide-body {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.guide-body .mini-tag {
  align-self: flex-start;
  background: var(--soft);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 99px;
  font-size: .78rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.guide-body h3 {
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 10px;
}

.guide-body p {
  color: var(--muted);
  font-size: .92rem;
  flex: 1;
  margin-bottom: 18px;
}

.guide-go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 700;
  font-size: .94rem;
  transition: gap .2s ease;
}

.guide-card:hover .guide-go {
  gap: 10px;
}

.guide-go svg {
  width: 18px;
  height: 18px;
}

/* CTA*/
.cta-section {
  padding: 64px 0 24px;
}

.cta-banner {
  border-radius: var(--radius-bg);
  overflow: hidden;
  position: relative;
  background:
    linear-gradient(100deg, rgba(7, 37, 27, 0.96) 0%, rgba(10, 74, 54, 0.88) 58%, rgba(15, 107, 79, 0.78) 100%),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  padding: clamp(34px, 6vw, 64px);
  color: #fff;
}

.cta-copy {
  max-width: 640px;
}

.cta-copy h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  color: #fff;
  line-height: 1.3;
  letter-spacing: -.01em;
}

.cta-copy p {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.78);
}

.cta-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  flex-shrink: 0;
}

/* FAQ */
.faq-section {
  padding: 40px 0 8px;
}

.faq-wrap {
  max-width: 880px;
  margin: 34px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--card);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
  padding: 0 24px;
  transition: box-shadow .25s ease;
}

.faq-item.active {
  box-shadow: var(--shadow-hover);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  color: var(--ink);
  font-size: 1.03rem;
  font-weight: 700;
  text-align: left;
}

.faq-icon {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--soft);
  color: var(--primary);
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  transition: transform .3s ease, background .3s ease;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  grid-area: 1 / 1;
  width: 12px;
  height: 2px;
  background: currentColor;
  border-radius: 3px;
  margin: auto;
}

.faq-icon::after {
  transform: rotate(90deg);
  transition: transform .3s ease;
}

.faq-item.active .faq-icon {
  background: var(--primary);
  color: #fff;
}

.faq-item.active .faq-icon::after {
  transform: rotate(0deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}

.faq-item.active .faq-answer {
  max-height: 380px;
}

.faq-answer-inner {
  border-top: 1px solid var(--line-soft);
  padding: 4px 0 20px;
  color: var(--muted);
  line-height: 1.85;
  font-size: .95rem;
}

.faq-answer-inner a {
  color: var(--primary);
  font-weight: 600;
}

/* 合规提示 */
.legal-note {
  margin: 40px auto 0;
  max-width: 960px;
  background: #EAF3EE;
  border: 1px solid rgba(15, 107, 79, 0.12);
  border-radius: var(--radius-card);
  padding: 20px 24px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  color: #33483E;
  font-size: .9rem;
}

.legal-note svg {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  color: var(--primary);
}

/* 页脚 */
.site-footer {
  background: #081F17;
  margin-top: 80px;
  color: rgba(255, 255, 255, 0.72);
  font-size: .92rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr 0.9fr 1fr;
  gap: 40px;
  padding: 56px 0 36px;
}

.footer-about .brand .brand-top {
  color: #ffffff;
}

.footer-about .brand .brand-bottom {
  color: var(--accent);
}

.footer-about p {
  margin-top: 16px;
  max-width: 300px;
  line-height: 1.8;
}

.footer-col-title {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.footer-col ul li {
  margin-bottom: 9px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.68);
  transition: color .2s ease, padding-left .2s ease;
}

.footer-col a:hover {
  color: var(--accent);
  padding-left: 3px;
}

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 12px;
}

.footer-contact-list svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  color: var(--accent);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  font-size: .84rem;
  color: rgba(255, 255, 255, 0.46);
}

/* 响应式 */
@media (max-width: 991px) {
  .nav-download-btn {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
    margin-left: 6px;
  }

  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: auto;
    background: #ffffff;
    max-height: 0;
    overflow: hidden;
    box-shadow: 0 18px 30px rgba(7, 37, 27, 0.14);
    transition: max-height .35s ease;
    border-bottom: 1px solid var(--line);
    z-index: 99;
  }

  .main-nav.open {
    max-height: calc(100vh - 72px);
    overflow-y: auto;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 24px 0;
  }

  .main-nav ul li a {
    padding: 15px 2px;
    border-bottom: 1px solid var(--line-soft);
    font-size: 1rem;
  }

  .main-nav ul li a::after {
    display: none;
  }

  .mobile-nav-cta {
    display: block;
    padding: 20px 24px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
}

@media (max-width: 767px) {
  .page-main {
    padding-top: 32px;
  }

  .article-card {
    padding: 26px 20px;
  }

  .guide-grid {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-btns {
    width: 100%;
  }

  .cta-btns .btn {
    flex: 1 1 200px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    padding-top: 44px;
  }

  .site-footer {
    margin-top: 56px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .nav-download-btn,
  .navbar .nav-right .mobile-nav-cta {
    display: none;
  }

  .brand-top {
    font-size: 1rem;
  }

  .brand-bottom {
    font-size: .68rem;
  }

  .cta-btns {
    flex-direction: column;
  }

  .cta-btns .btn {
    width: 100%;
  }

  .meta-list {
    gap: 12px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 992px) {
  .mobile-nav-cta {
    display: none !important;
  }
}

/* roulang page: category3 */
:root {
  --primary: #0F6B4F;
  --primary-dark: #0A4A36;
  --field-dark: #07251B;
  --accent: #FFBE3D;
  --accent-hover: #F5B02E;
  --bg: #F6F8F6;
  --card-bg: #FFFFFF;
  --deep-block: #081F17;
  --text-color: #17211C;
  --muted: #5F6E66;
  --tag-bg: #EAF3EE;
  --border: rgba(7, 37, 27, 0.12);
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 24px;
  --shadow: 0 2px 4px rgba(7,37,27,.04), 0 8px 24px rgba(7,37,27,.08);
  --shadow-hover: 0 8px 16px rgba(7,37,27,.08), 0 16px 40px rgba(7,37,27,.12);
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
  --header-h: 72px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-color);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }

.container {
  width: min(1200px, 100% - 48px);
  margin: 0 auto;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  line-height: 1;
  border: 2px solid transparent;
  transition: all .22s ease;
  padding: 14px 26px;
  font-size: 1rem;
  min-height: 48px;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #0A3B2A;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(255,190,61,.25);
  color: #07251B;
}
.btn-primary:active { transform: translateY(0); }
.btn-outline-light {
  background: transparent;
  border-color: rgba(255,255,255,.75);
  color: #fff;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.12);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-sm {
  padding: 10px 16px;
  min-height: 40px;
  border-radius: 10px;
}
.btn-xl {
  padding: 16px 34px;
  min-height: 54px;
  font-size: 1.06rem;
}
.btn-block { width: 100%; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
  transition: box-shadow .3s ease, background .3s ease;
}
.site-header.scrolled {
  box-shadow: 0 6px 24px rgba(7,37,27,.08);
  background: #fff;
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}
.brand-mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
  line-height: 1;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand-top { font-size: 1.16rem; font-weight: 800; letter-spacing: .02em; }
.brand-bottom { font-size: .75rem; color: var(--primary); letter-spacing: .08em; }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav a {
  display: inline-flex;
  align-items: center;
  padding: 12px 14px;
  font-weight: 500;
  border-radius: 10px;
  color: var(--text-color);
  position: relative;
  transition: background .2s ease, color .2s ease;
}
.main-nav a:hover { color: var(--primary); background: rgba(15,107,79,.06); }
.main-nav li.active a {
  color: var(--primary);
  font-weight: 700;
  background: rgba(15,107,79,.08);
}
.main-nav li.active a::after {
  content: "";
  display: block;
  width: 18px;
  height: 3px;
  border-radius: 10px;
  background: var(--accent);
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
}
.main-nav a:focus-visible,
.brand:focus-visible,
.btn:focus-visible,
.nav-toggle:focus-visible,
.acc-btn:focus-visible {
  outline: 3px solid rgba(15,107,79,.35);
  outline-offset: 2px;
}
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  background: transparent;
  border: 0;
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  color: var(--text-color);
  align-items: center;
  justify-content: center;
}

/* ===== Page Hero ===== */
.page-hero {
  position: relative;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-radius: 0 0 36px 36px;
  overflow: hidden;
  color: #fff;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7,37,27,.92), rgba(15,107,79,.76) 58%, rgba(7,37,27,.62));
  z-index: 1;
}
.page-hero .container { position: relative; z-index: 2; }
.hero-inner {
  padding: 78px 0 72px;
  max-width: 900px;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  color: rgba(255,255,255,.75);
  margin-bottom: 18px;
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--accent); }
.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.24;
  margin-bottom: 18px;
}
.page-hero h1 em {
  display: inline-block;
  font-style: normal;
  border-bottom: 4px solid var(--accent);
  padding-bottom: 4px;
}
.hero-desc {
  font-size: 1.08rem;
  color: rgba(255,255,255,.88);
  max-width: 640px;
  line-height: 1.8;
}
.hero-opts {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ===== Section base ===== */
section { scroll-margin-top: 92px; }
.section { padding: 80px 0; }
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 42px;
}
.section-kicker {
  display: inline-block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--tag-bg);
  border-radius: 999px;
  padding: 6px 16px;
  letter-spacing: .04em;
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: clamp(1.7rem, 2.7vw, 2.35rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: .02em;
}
.section-sub {
  margin-top: 12px;
  color: var(--muted);
  font-size: 1rem;
}

/* ===== Steps ===== */
.steps-wrap {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 48px;
}
.steps-wrap::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 8px;
  background: rgba(15,107,79,.18);
}
.step-item {
  position: relative;
  margin-bottom: 18px;
}
.step-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 28px 28px 26px;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.step-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(15,107,79,.2);
}
.step-index {
  position: absolute;
  left: -40px;
  top: 24px;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: .96rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 14px rgba(15,107,79,.2);
  z-index: 2;
  font-style: italic;
}
.step-title {
  font-size: 1.22rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-color);
}
.step-title::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 4px;
}
.step-desc {
  margin-top: 6px;
  color: var(--muted);
  line-height: 1.7;
}

/* ===== Device Cards ===== */
.device-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.device-card {
  background: #fff;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.device-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.device-media {
  height: 220px;
  overflow: hidden;
  background: var(--tag-bg);
}
.device-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.device-card:hover .device-media img { transform: scale(1.04); }
.device-body { padding: 28px; }
.device-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  margin-bottom: 14px;
}
.device-card h3 { font-size: 1.55rem; margin-bottom: 6px; }
.device-card .device-sub { color: var(--muted); margin-bottom: 18px; font-size: .94rem; }
.spec-list {
  display: flex;
  flex-direction: column;
  margin-bottom: 22px;
}
.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px dashed var(--border);
  font-size: .98rem;
}
.spec-row:last-child { border-bottom: 0; }
.spec-row span:first-child { color: var(--muted); }
.spec-row span:last-child { font-weight: 600; }

/* ===== Tips / issues ===== */
.two-tone-split {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.issue-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}
.issue-box {
  padding: 26px;
  background: var(--bg);
  border-radius: 20px;
  border: 1px solid var(--border);
  transition: background .25s ease, border .25s ease, transform .2s ease;
}
.issue-box:hover {
  background: #fff;
  border-color: rgba(15,107,79,.24);
  transform: translateY(-2px);
}
.issue-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  font-weight: 700;
  background: var(--tag-bg);
  color: var(--primary);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.issue-box h4 { font-size: 1.18rem; margin-bottom: 6px; }
.issue-box p { color: var(--muted); font-size: .98rem; }

/* ===== Security dark ===== */
.security-band {
  background: var(--deep-block);
  background-image: linear-gradient(rgba(8,31,23,.94), rgba(8,31,23,.94)), url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  color: #fff;
}
.security-band .section-head h2,
.security-band .section-head p { color: #fff; }
.security-band .section-kicker { background: rgba(255,255,255,.1); color: var(--accent); }
.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.security-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 20px;
  padding: 24px;
  backdrop-filter: none;
  transition: background .25s ease, border-color .25s ease, transform .2s ease;
}
.security-card:hover { background: rgba(255,255,255,.1); border-color: var(--accent); transform: translateY(-3px); }
.security-card svg { color: var(--accent); margin-bottom: 12px; }
.security-card h4 { color: #fff; font-size: 1.05rem; margin-bottom: 8px; }
.security-card p { color: rgba(255,255,255,.72); font-size: .95rem; }

/* ===== FAQ ===== */
.faq-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  align-items: start;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: border-color .25s ease;
}
.faq-item:hover { border-color: rgba(15,107,79,.25); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 20px 22px;
  align-items: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-color);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--tag-bg);
  transition: all .25s ease;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='16' height='16' fill='none' stroke='%230F6B4F' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-position: center;
  background-repeat: no-repeat;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
  background-color: var(--primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='16' height='16' fill='none' stroke='white' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14'/%3E%3C/svg%3E");
}
.faq-body {
  padding: 0 22px 20px;
  color: var(--muted);
  font-size: .97rem;
}

/* ===== CTA band ===== */
.cta-band {
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat fixed;
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  color: #fff;
  margin: 70px 0;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(7,37,27,.95), rgba(15,107,79,.82));
}
.cta-inner {
  position: relative;
  z-index: 2;
  padding: 60px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-copy { max-width: 580px; }
.cta-copy h3 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 800; margin-bottom: 10px; }
.cta-copy p { color: rgba(255,255,255,.8); }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer {
  background: var(--deep-block);
  color: rgba(255,255,255,.8);
  padding: 68px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 36px;
}
.footer-about .brand { margin-bottom: 15px; }
.footer-about p { color: rgba(255,255,255,.66); line-height: 1.8; font-size: .95rem; }
.footer-col-title {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 9px; }
.footer-col a {
  color: rgba(255,255,255,.7);
  font-size: .94rem;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-col a:hover { color: var(--accent); padding-left: 3px; }
.footer-contact-list li {
  display: flex;
  gap: 9px;
  align-items: center;
  color: rgba(255,255,255,.7);
  font-size: .93rem;
  margin-bottom: 5px;
}
.footer-contact-list svg { width: 18px; height: 18px; flex: 0 0 auto; color: var(--accent); }
.footer-bottom {
  margin-top: 46px;
  border-top: 1px solid rgba(255,255,255,.14);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  color: rgba(255,255,255,.9);
  font-size: .88rem;
}
.copy-text { color: rgba(255,255,255,.7); }

/* ===== Breadcrumb align ===== */
@media (max-width: 1024px) {
  .main-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .main-nav.open {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 24px 40px rgba(7,37,27,.1);
    padding: 12px 24px 20px;
  }
  .main-nav.open ul { flex-direction: column; align-items: stretch; gap: 4px; }
  .main-nav.open a { width: 100%; padding: 14px; }
  .main-nav.open li.active a::after { display: none; }
  .main-nav.open li.active a { background: var(--tag-bg); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 58px 0; }
  .hero-inner { padding: 58px 0 52px; }
  .device-grid,
  .issue-grid,
  .faq-list,
  .security-grid { grid-template-columns: 1fr; }
  .cta-inner { padding: 44px 24px; flex-direction: column; align-items: flex-start; }
  .step-item { padding-left: 0; }
  .step-card { padding: 22px; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .container { width: min(1200px, 100% - 30px); }
  .nav-download-btn .btn {
    width: 42px;
    padding: 0;
    font-size: 0 !important;
    border-radius: 12px;
  }
  .nav-download-btn .btn svg { margin: 0; font-size: 0; }
  .brand-top { font-size: 1.05rem; }
  .brand-bottom { font-size: .68rem; }
  .btn { width: 100%; }
  .hero-opts .btn { justify-content: center; }
  .cta-actions .btn { width: 100%; }
  .step-wrap { padding-left: 20px; }
}

/* roulang page: category2 */
:root {
  --primary: #0F6B4F;
  --primary-dark: #0A4A36;
  --primary-deep: #07251B;
  --accent: #FFBE3D;
  --accent-hover: #F5B02E;
  --bg: #F6F8F6;
  --card: #FFFFFF;
  --dark: #081F17;
  --text: #17211C;
  --muted: #5F6E66;
  --soft-bg: #EAF3EE;
  --border: rgba(7, 37, 27, 0.12);
  --radius-btn: 12px;
  --radius-card: 20px;
  --radius-img: 24px;
  --shadow-card: 0 2px 4px rgba(7,37,27,0.04), 0 8px 24px rgba(7,37,27,0.08);
  --shadow-hover: 0 8px 16px rgba(7,37,27,0.08), 0 16px 40px rgba(7,37,27,0.12);
  --max-width: 1200px;
  --space-section: 96px;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul,
ol {
  list-style: none;
}
button,
input,
select,
textarea {
  font-family: inherit;
  font-size: 1rem;
}
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: var(--space-section) 0;
}
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 44px;
}
.section-title {
  font-size: clamp(1.6rem, 2.8vw, 2.3rem);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.section-title em {
  font-style: normal;
  color: var(--primary);
}
.section-desc {
  color: var(--muted);
  font-size: 1rem;
  max-width: 620px;
  margin-top: 12px;
}
.sec-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--soft-bg);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}
.sec-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: var(--radius-btn);
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  will-change: transform;
}
.btn:focus-visible {
  outline: 3px solid rgba(15, 107, 79, 0.35);
  outline-offset: 2px;
}
.btn-primary {
  background: var(--accent);
  color: #0A3B2A;
  box-shadow: 0 4px 12px rgba(255,190,61,0.24);
  padding: 13px 26px;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(255,190,61,0.3);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}
.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.8);
  padding: 12px 26px;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-2px);
}
.btn-outline-light:active {
  transform: translateY(0);
}
.btn-dark-outline {
  background: transparent;
  color: var(--primary-dark);
  border: 2px solid var(--primary-dark);
  padding: 11px 24px;
}
.btn-dark-outline:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
}
.btn-sm {
  padding: 10px 18px;
  font-size: 0.93rem;
}
/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 1.35rem;
  font-weight: 800;
  display: grid;
  place-items: center;
  box-shadow: 0 6px 14px rgba(15,107,79,0.28);
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.18;
}
.brand-top {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.02em;
}
.brand-bottom {
  font-size: 0.68rem;
  letter-spacing: 0.42em;
  color: var(--primary);
  font-weight: 600;
}
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 30px;
  margin: 0;
  padding: 0;
}
.main-nav ul li {
  position: relative;
}
.main-nav ul a {
  display: inline-block;
  font-weight: 600;
  font-size: 0.98rem;
  padding: 10px 2px;
  color: #3A403C;
  transition: color 0.2s ease;
}
.main-nav ul a:hover {
  color: var(--primary);
}
.main-nav li.active a {
  color: var(--primary-dark);
  font-weight: 700;
}
.main-nav li.active a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-download-btn {
  display: inline-flex;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  border-radius: 10px;
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}
.nav-toggle:hover {
  background: rgba(15,107,79,0.08);
}
/* Hero */
.page-hero {
  position: relative;
  padding: 88px 0 92px;
  color: #fff;
  overflow: hidden;
  background:
    linear-gradient(140deg, rgba(6,37,26,0.97) 20%, rgba(8,31,23,0.82) 55%, rgba(15,107,79,0.6) 100%),
    url('/assets/images/backpic/back-1.png') center / cover no-repeat;
}
.page-hero::after {
  content: "";
  position: absolute;
  right: -150px;
  top: -150px;
  width: 460px;
  height: 460px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50%;
  pointer-events: none;
}
.page-hero::before {
  content: "";
  position: absolute;
  right: 40px;
  bottom: -220px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(255,190,61,0.12) 0%, rgba(255,190,61,0) 68%);
  pointer-events: none;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 40px;
}
.breadcrumb a {
  transition: color 0.2s ease;
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb span {
  color: rgba(255,255,255,0.35);
}
.page-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  align-items: center;
  gap: 56px;
}
.hero-copy {
  max-width: 720px;
}
.page-hero h1 {
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 10px 0 18px;
  color: #fff;
}
.page-hero h1 span {
  color: var(--accent);
}
.hero-sub {
  font-size: 1.06rem;
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  margin-bottom: 28px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin: 0;
  padding: 0;
}
.hero-badges li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: rgba(255,255,255,0.72);
  font-size: 0.85rem;
}
.hero-badges li svg {
  width: 17px;
  height: 17px;
  color: var(--accent);
  flex-shrink: 0;
}
.hero-visual-card {
  background: linear-gradient(160deg, rgba(255,255,255,0.12), rgba(255,255,255,0.05));
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 24px;
  padding: 28px;
  backdrop-filter: blur(4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.visual-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.14);
}
.visual-card-head .shield-icon {
  width: 46px;
  height: 46px;
  border-radius: 15px;
  background: var(--accent);
  color: var(--primary-deep);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.visual-card-head .shield-icon svg {
  width: 25px;
  height: 25px;
}
.visual-card-title {
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
}
.visual-card-title small {
  display: block;
  font-weight: 400;
  color: rgba(255,255,255,0.6);
  font-size: 0.82rem;
}
.visual-card-status {
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--accent);
  background: rgba(255,190,61,0.12);
  padding: 5px 12px;
  border-radius: 999px;
  margin-left: auto;
}
.visual-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
}
.visual-list li {
  display: flex;
  align-items: center;
  gap: 11px;
  color: rgba(255,255,255,0.86);
  font-size: 0.94rem;
}
.visual-list .list-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.visual-list .list-dot svg {
  width: 13px;
  height: 13px;
  color: var(--accent);
}
/* Safety cards */
.safe-points {
  padding: var(--space-section) 0;
}
.points-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.point-card {
  position: relative;
  background: var(--card);
  border-radius: var(--radius-card);
  border: 1px solid rgba(7,37,27,0.06);
  padding: 34px 30px 30px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.point-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.point-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 30px;
  right: 30px;
  height: 4px;
  background: var(--primary);
  border-radius: 0 0 6px 6px;
  opacity: 0.18;
  transition: transform 0.3s ease;
}
.point-card:hover::before {
  transform: scaleX(1.4);
  background: var(--accent);
  opacity: 1;
}
.point-icon {
  width: 54px;
  height: 54px;
  background: var(--soft-bg);
  color: var(--primary);
  border-radius: 16px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}
.point-icon svg {
  width: 27px;
  height: 27px;
}
.point-num {
  position: absolute;
  top: 24px;
  right: 26px;
  font-size: 2.2rem;
  font-weight: 800;
  color: rgba(7,37,27,0.05);
  line-height: 1;
  letter-spacing: -0.06em;
}
.point-card h3 {
  font-size: 1.24rem;
  font-weight: 800;
  margin-bottom: 10px;
}
.point-card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
}
/* Safety steps */
.safety-steps {
  background: #fff;
  border-top: 1px solid rgba(7,37,27,0.05);
  border-bottom: 1px solid rgba(7,37,27,0.05);
  overflow: hidden;
}
.steps-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: 56px;
}
.steps-visual {
  position: relative;
}
.steps-visual img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: var(--shadow-hover);
}
.visual-badge {
  position: absolute;
  left: -18px;
  bottom: 30px;
  background: var(--accent);
  color: var(--primary-deep);
  border-radius: 18px;
  width: 108px;
  height: 108px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px rgba(255,190,61,0.35);
}
.visual-badge strong {
  font-size: 2rem;
  line-height: 1;
  font-weight: 900;
}
.visual-badge span {
  font-size: 0.8rem;
  font-weight: 700;
  margin-top: 5px;
}
.step-list {
  display: grid;
  gap: 0;
  counter-reset: step-counter;
}
.step-item {
  position: relative;
  padding: 18px 0 18px 62px;
  border-bottom: 1px dashed rgba(7,37,27,0.12);
}
.step-item:last-child {
  border-bottom: 0;
}
.step-item::before {
  content: counter(step-counter, decimal-leading-zero);
  counter-increment: step-counter;
  position: absolute;
  left: 0;
  top: 18px;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--soft-bg);
  color: var(--primary);
  font-size: 1.05rem;
  font-weight: 800;
  display: grid;
  place-items: center;
  transition: background 0.3s ease, color 0.3s ease;
}
.step-item:hover::before {
  background: var(--primary);
  color: #fff;
}
.step-item h3 {
  font-size: 1.14rem;
  font-weight: 800;
  margin-bottom: 6px;
}
.step-item p {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.8;
  max-width: 520px;
}
/* Dark system */
.safety-system {
  position: relative;
  background: var(--dark);
  color: #fff;
  overflow: hidden;
  padding: var(--space-section) 0;
}
.safety-system::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  opacity: 0.08;
  pointer-events: none;
}
.safety-system .sec-tag {
  background: rgba(255,255,255,0.1);
  color: var(--accent);
}
.safety-system .section-title {
  color: #fff;
}
.safety-system .section-desc {
  color: rgba(255,255,255,0.68);
}
.system-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.system-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  padding: 28px 24px;
  transition: background 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
  backdrop-filter: blur(3px);
}
.system-card:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(255,190,61,0.45);
  transform: translateY(-4px);
}
.system-card .sys-icon {
  width: 50px;
  height: 50px;
  background: rgba(255,190,61,0.14);
  border: 1px solid rgba(255,190,61,0.18);
  border-radius: 15px;
  display: grid;
  place-items: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.system-card .sys-icon svg {
  width: 25px;
  height: 25px;
}
.system-card h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}
.system-card p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.75;
}
/* tips */
.tips-wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.tip-card {
  border-radius: 22px;
  padding: 32px;
  border: 1px solid rgba(7,37,27,0.08);
  background: var(--card);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}
.tip-card::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(255,190,61,0.12) 0%, rgba(255,190,61,0) 70%);
}
.tip-card.warn {
  background: #FFF9F0;
}
.tip-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.tip-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--soft-bg);
  display: grid;
  place-items: center;
  color: var(--primary);
  flex-shrink: 0;
}
.tip-icon svg {
  width: 23px;
  height: 23px;
}
.tip-card.warn .tip-icon {
  background: #FFEAD8;
  color: #E07C2A;
}
.tip-card h2,
.tip-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.4;
}
.tip-list {
  margin-top: 6px;
  display: grid;
  gap: 10px;
}
.tip-list li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.75;
}
.tip-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 13px;
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
}
.tip-card.warn .tip-list li::before {
  background: #E07C2A;
}
/* FAQ */
.faq-section {
  background: var(--bg);
  padding: var(--space-section) 0;
}
.faq-wrap {
  max-width: 880px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid rgba(7,37,27,0.08);
  border-radius: 18px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.faq-item.open {
  border-color: rgba(15,107,79,0.25);
  box-shadow: 0 8px 24px rgba(7,37,27,0.07);
}
.faq-item-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: transparent;
  border: 0;
  padding: 22px 24px;
  text-align: left;
  font-size: 1.04rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: color 0.2s ease;
}
.faq-item-btn:hover {
  color: var(--primary);
}
.faq-item-btn .faq-arrow {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--soft-bg);
  display: grid;
  place-items: center;
  color: var(--primary);
  flex-shrink: 0;
  transition: transform 0.3s ease, background 0.3s ease;
}
.faq-item-btn .faq-arrow svg {
  width: 16px;
  height: 16px;
}
.faq-item.open .faq-arrow {
  transform: rotate(180deg);
  background: var(--accent);
  color: var(--primary-deep);
}
.faq-answer {
  display: none;
  padding: 0 24px 22px;
  color: var(--muted);
  border-top: 1px solid rgba(7,37,27,0.06);
  padding-top: 14px;
  margin: 0 8px;
  font-size: 0.97rem;
}
.faq-item.open .faq-answer {
  display: block;
  animation: fadeSlide 0.3s ease;
}
@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/* CTA */
.cta-block {
  padding: 0 0 var(--space-section);
}
.cta-panel {
  background: linear-gradient(135deg, #FFBE3D 0%, #FFD478 60%, #F5B02E 100%);
  border-radius: 28px;
  padding: 48px 60px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  overflow: hidden;
  position: relative;
}
.cta-panel::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 220px;
  height: 220px;
  background: rgba(255,255,255,0.24);
  border-radius: 50%;
}
.cta-copy {
  max-width: 620px;
  position: relative;
  z-index: 2;
}
.cta-copy .cta-kicker {
  display: inline-block;
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #0A4A36;
  margin-bottom: 8px;
}
.cta-copy h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  color: #0A3B2A;
  line-height: 1.3;
  margin-bottom: 8px;
  font-weight: 900;
}
.cta-copy p {
  color: rgba(10,59,42,0.78);
  font-size: 1rem;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  position: relative;
  z-index: 2;
}
.cta-panel .btn {
  background: #0A4A36;
  color: #fff;
  box-shadow: 0 8px 20px rgba(10,74,54,0.2);
}
.cta-panel .btn:hover {
  background: #07251B;
  transform: translateY(-2px);
}
.cta-panel .btn.btn-ghost-light {
  background: transparent;
  border: 2px solid #0A4A36;
  color: #0A4A36;
  box-shadow: none;
}
.cta-panel .btn.btn-ghost-light:hover {
  background: #0A4A36;
  color: #fff;
}
/* Footer */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.72);
  font-size: 0.92rem;
}
.site-footer .container {
  padding-top: 64px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.2fr;
  gap: 44px;
  padding-bottom: 44px;
}
.footer-about .brand {
  margin-bottom: 14px;
}
.footer-about p {
  color: rgba(255,255,255,0.55);
  font-size: 0.9rem;
  line-height: 1.9;
  max-width: 360px;
}
.footer-col-title {
  font-size: 1.02rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}
.footer-col ul {
  padding: 0;
  margin: 0;
  display: grid;
  gap: 11px;
}
.footer-col ul a {
  display: inline-block;
  color: rgba(255,255,255,0.66);
  transition: color 0.2s ease, transform 0.2s ease;
}
.footer-col ul a:hover {
  color: var(--accent);
  transform: translateX(3px);
}
.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.66);
}
.footer-contact-list li svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--accent);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 28px;
  font-size: 0.84rem;
  color: rgba(255,255,255,0.42);
}
.footer-bottom a {
  color: rgba(255,255,255,0.5);
}
.footer-bottom a:hover {
  color: var(--accent);
}
/* responsive */
@media (max-width: 1024px) {
  .points-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .system-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-visual-card {
    max-width: 560px;
  }
  .steps-layout {
    grid-template-columns: 1fr;
  }
  .steps-visual img {
    height: 340px;
  }
  .tips-wrap {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 768px) {
  :root {
    --space-section: 64px;
  }
  .main-nav {
    position: fixed;
    inset: 0;
    background: rgba(255,255,255,0.99);
    padding: 88px 28px 32px;
    overflow-y: auto;
    display: none;
    z-index: 99;
  }
  .main-nav.open {
    display: block;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 2px;
    padding: 0;
  }
  .main-nav ul li {
    width: 100%;
  }
  .main-nav ul a {
    display: block;
    padding: 16px 12px;
    font-size: 1.12rem;
    border-bottom: 1px solid rgba(7,37,27,0.08);
  }
  .main-nav li.active a {
    background: var(--soft-bg);
    border-radius: 12px;
  }
  .main-nav li.active a::after {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .navbar {
    height: 68px;
  }
  .section-head {
    margin-bottom: 32px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .cta-panel {
    padding: 36px 28px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .points-grid,
  .system-grid {
    grid-template-columns: 1fr;
  }
  .page-hero {
    padding: 60px 0 68px;
  }
  .page-hero h1 {
    font-size: 1.9rem;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-badges {
    gap: 12px;
    flex-direction: column;
  }
  .page-hero-inner {
    gap: 28px;
  }
  .visual-badge {
    width: 90px;
    height: 90px;
    left: -8px;
    bottom: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-about {
    max-width: 100%;
  }
  .btn {
    padding: 13px 18px;
  }
  .cta-panel {
    padding: 32px 22px;
  }
  .cta-actions .btn {
    width: 100%;
  }
}

/* roulang page: category4 */
:root{
  --primary:#0F6B4F;
  --primary-dark:#0A4A36;
  --field:#07251B;
  --field-deep:#081F17;
  --accent:#FFBE3D;
  --accent-hover:#F5B02E;
  --page-bg:#F6F8F6;
  --card:#FFFFFF;
  --text:#17211C;
  --text-weak:#5F6E66;
  --tag-bg:#EAF3EE;
  --line:rgba(7,37,27,0.12);
  --radius-btn:12px;
  --radius-card:20px;
  --radius-banner:24px;
  --shadow-card:0 2px 4px rgba(7,37,27,0.04), 0 8px 24px rgba(7,37,27,0.08);
  --shadow-hover:0 8px 16px rgba(7,37,27,0.08), 0 16px 40px rgba(7,37,27,0.12);
  --container-w:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--page-bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
ul,ol,dl,dd,p,figure,blockquote{margin:0;padding:0;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;border:0;background:none;cursor:pointer;}
svg{display:block;}
a,button,input,textarea,summary{-webkit-tap-highlight-color:transparent;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:3px solid rgba(255,190,61,.85);
  outline-offset:3px;
  border-radius:8px;
}
.container{max-width:var(--container-w);margin:0 auto;padding:0 20px;width:100%;}
.section{padding:88px 0;}
.section-last{padding-top:0;}
.section-bg-white{background:#fff;}
.section-title{
  font-size:clamp(1.6rem,2.4vw,2.1rem);
  line-height:1.3;
  margin:0 0 12px;
  font-weight:800;
  color:var(--text);
  letter-spacing:-.02em;
}
.section-desc{
  color:var(--text-weak);
  font-size:1rem;
  max-width:760px;
  margin:0 auto;
}
.section-head{text-align:center;margin-bottom:48px;}
.section-number{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:50%;
  background:var(--primary);
  color:var(--accent);
  font-weight:800;
  margin-bottom:18px;
  box-shadow:var(--shadow-card);
}
.eyebrow{
  color:var(--primary);
  font-weight:700;
  letter-spacing:.12em;
  font-size:.85rem;
  text-transform:none;
  margin-bottom:10px;
  display:inline-block;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  border:2px solid transparent;
  font-size:1rem;
  line-height:1;
  padding:14px 26px;
  font-weight:700;
  cursor:pointer;
  transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,color .2s;
  text-align:center;
  white-space:nowrap;
}
.btn svg{flex:none;}
.btn-primary{
  background:var(--accent);
  color:#0A3B2A;
}
.btn-primary:hover{
  background:var(--accent-hover);
  transform:translateY(-2px);
  box-shadow:0 12px 24px rgba(255,190,61,.35);
}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{
  background:transparent;
  border-color:#fff;
  color:#fff;
}
.btn-outline:hover{
  background:rgba(255,255,255,.12);
  border-color:var(--accent);
  color:var(--accent);
  transform:translateY(-2px);
}
.btn-dark{background:var(--primary);color:#fff;}
.btn-dark:hover{background:var(--primary-dark);transform:translateY(-2px);}
.btn-sm{font-size:.9rem;padding:11px 18px;}
.btn-lg{padding:16px 32px;font-size:1.05rem;}
.btn-xs{font-size:.86rem;padding:8px 14px;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-weight:600;
}
.text-link:hover{color:var(--primary-dark);}

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.95);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s;
}
.site-header.scrolled{box-shadow:0 10px 30px rgba(7,37,27,.06);}
.navbar{
  display:flex;
  align-items:center;
  flex-wrap:nowrap;
  gap:18px;
  min-height:80px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.brand-mark{
  width:44px;
  height:44px;
  border-radius:14px;
  background:var(--primary);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  font-weight:800;
  box-shadow:0 6px 16px rgba(15,107,79,.24);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.brand-top{
  font-weight:800;
  color:#0A4A36;
  font-size:1.15rem;
  letter-spacing:.02em;
}
.brand-bottom{
  font-weight:600;
  color:var(--primary);
  font-size:.72rem;
  letter-spacing:.14em;
}
.main-nav{
  margin-left:auto;
  margin-right:8px;
}
.main-nav ul{
  display:flex;
  gap:4px;
  list-style:none;
}
.main-nav ul li a{
  display:inline-flex;
  align-items:center;
  min-height:46px;
  padding:0 10px;
  font-weight:600;
  color:var(--text);
  position:relative;
  border-radius:10px;
  transition:color .2s;
}
.main-nav ul li a:hover{
  color:var(--primary);
  background:var(--tag-bg);
}
.main-nav ul li.active a{
  color:var(--primary);
}
.main-nav ul li.active a::after{
  content:"";
  position:absolute;
  bottom:7px;
  left:14px;
  right:14px;
  height:4px;
  background:var(--accent);
  border-radius:99px;
}
.nav-right{
  display:flex;
  align-items:center;
  gap:14px;
  flex:none;
}
.nav-toggle{
  width:44px;
  height:44px;
  border-radius:12px;
  display:none;
  align-items:center;
  justify-content:center;
  color:var(--text);
  background:var(--tag-bg);
}
.nav-toggle:hover{color:var(--primary);}
.mobile-nav-close{
  display:none;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:12px;
  background:var(--tag-bg);
  color:var(--text);
}
.mobile-download-btn{margin-top:14px;display:none;}

.page-hero{
  position:relative;
  min-height:500px;
  padding:78px 0 82px;
  display:flex;
  align-items:center;
  background-color:var(--field);
  color:#fff;
  overflow:hidden;
  border-bottom:6px solid var(--accent);
}
.hero-cover,.hero-cover img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(105deg, rgba(7,37,27,.94) 0%, rgba(7,37,27,.77) 55%, rgba(7,37,27,.32) 100%);
}
.hero-grid-decor{
  position:absolute;
  right:-6%;
  bottom:-30%;
  width:70%;
  height:80%;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:40px 40px;
  transform:rotate(-8deg);
  z-index:2;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:5;}
.breadcrumb{
  display:flex;
  align-items:center;
  font-size:.9rem;
  color:rgba(255,255,255,.72);
  margin:0 0 42px;
  padding:10px 14px;
  background:rgba(255,255,255,.1);
  border-radius:99px;
  width:max-content;
  max-width:100%;
  border:1px solid rgba(255,255,255,.16);
}
.breadcrumb a{color:rgba(255,255,255,.9);}
.breadcrumb a:hover{color:var(--accent);}
.hero-sep{margin:0 8px;opacity:.55;}
.page-hero h1{
  font-size:clamp(2rem,4vw,3.5rem);
  font-weight:800;
  line-height:1.25;
  margin:0 0 18px;
  letter-spacing:-.02em;
  max-width:900px;
}
.page-hero h1 span{color:var(--accent);}
.hero-lead{
  font-size:1.06rem;
  line-height:1.9;
  color:rgba(255,255,255,.86);
  max-width:720px;
  margin-bottom:32px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}
.hero-badges .badge{border-color:rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
  align-items:center;
}
.hero-actions .text-link{
  color:rgba(255,255,255,.85);
}
.hero-actions .text-link:hover{color:var(--accent);}
.hero-actions .text-link svg{opacity:.8;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 14px;
  border-radius:999px;
  border:1px solid transparent;
  background:var(--tag-bg);
  color:var(--primary);
  font-size:.86rem;
  font-weight:600;
  line-height:1.2;
}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--primary);flex:none;}
.badge-warm{background:#FFF4DA;color:#8A6200;border-color:#F7E3A8;}

.news-section{background:var(--page-bg);}
.news-layout{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  background:var(--card);
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid rgba(7,37,27,.06);
  box-shadow:var(--shadow-card);
  display:flex;
  flex-direction:column;
  transition:transform .25s,box-shadow .25s;
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.news-card .news-pic{aspect-ratio:16/10;overflow:hidden;position:relative;background:#e7eee9;}
.news-card .news-pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.news-card:hover .news-pic img{transform:scale(1.04);}
.news-card .news-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.news-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:.86rem;
  color:var(--text-weak);
  margin-bottom:12px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:999px;
  background:var(--tag-bg);
  color:var(--primary);
  font-size:.82rem;
  font-weight:700;
}
.tag-warm{background:#FFF4DA;color:#8A6200;}
.news-card h3,.news-card h4{
  font-size:1.2rem;
  line-height:1.45;
  margin-bottom:10px;
  font-weight:700;
}
.news-card p{
  color:var(--text-weak);
  font-size:.94rem;
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card .card-foot{
  margin-top:auto;
  padding-top:10px;
}

.full-banner{
  position:relative;
  border-radius:var(--radius-banner);
  overflow:hidden;
  background:var(--field);
  color:#fff;
  min-height:300px;
  display:flex;
  align-items:center;
  margin:0 0 88px;
}
.full-banner .banner-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.full-banner .banner-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg, rgba(8,31,23,.92) 0%, rgba(8,31,23,.66) 60%, rgba(8,31,23,.35) 100%);
}
.banner-overlay{position:absolute;inset:0;}
.full-banner-inner{
  position:relative;
  z-index:3;
  padding:56px 52px;
  max-width:720px;
}
.full-banner h2{
  font-size:clamp(1.5rem,2.2vw,2rem);
  margin:12px 0 14px;
}
.full-banner p{color:rgba(255,255,255,.85);font-size:1rem;}

.stream-wrap{
  background:#fff;
  border-radius:var(--radius-banner);
  padding:44px;
  box-shadow:var(--shadow-card);
  border:1px solid rgba(7,37,27,.06);
}
.stream-item{
  display:flex;
  gap:18px;
  padding:24px 0;
  border-top:1px solid var(--line);
}
.stream-item:first-child{padding-top:0;border-top:0;}
.stream-item:last-child{padding-bottom:12px;}
.stream-date{
  flex:none;
  width:110px;
  color:var(--primary);
  font-weight:700;
  font-size:.95rem;
  line-height:1.6;
  padding-left:4px;
}
.stream-content h3{font-size:1.15rem;margin-bottom:6px;}
.stream-content p{color:var(--text-weak);font-size:.92rem;max-width:780px;}
.stream-content a{color:var(--primary);font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:6px;margin-top:10px;}
.stream-content a:hover{color:var(--primary-dark);}
.stream-tag{
  margin-bottom:8px;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}

.insight-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
}
.insight-pic{border-radius:var(--radius-banner);overflow:hidden;box-shadow:var(--shadow-card);}
.insight-pic img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.insight-pic + .insight-body{margin-left:0;}
.insight-body h2{font-size:clamp(1.4rem,1.8vw,1.9rem);margin-bottom:12px;}
.insight-body p{color:var(--text-weak);margin-bottom:18px;}
.flow-fold{
  padding-top:40px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.fold-card{
  background:#fff;
  border-radius:var(--radius-card);
  padding:24px;
  border:1px solid rgba(7,37,27,.06);
  box-shadow:var(--shadow-card);
  transition:transform .2s;
}
.fold-card:hover{transform:translateY(-4px);}
.fold-icon{
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--primary);
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:16px;
}
.fold-card h4{font-size:1rem;margin-bottom:8px;}
.fold-card p{font-size:.9rem;color:var(--text-weak);line-height:1.7;}

.faq-wrap{
  background:#fff;
  border-radius:var(--radius-banner);
  padding:34px 36px;
  box-shadow:var(--shadow-card);
  border:1px solid rgba(7,37,27,.06);
}
.faq-item{
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.faq-item:last-child{border-bottom:0;}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  padding:24px 6px;
  font-size:1.05rem;
  font-weight:700;
  color:var(--text);
  line-height:1.5;
}
.faq-question:hover{color:var(--primary);}
.faq-item.open .faq-question{color:var(--primary);}
.faq-icon{
  width:30px;
  height:30px;
  flex:none;
  border-radius:50%;
  background:var(--tag-bg);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  transition:transform .3s;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--primary);color:#fff;}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease,padding .35s ease;
  font-size:.96rem;
  color:var(--text-weak);
  padding:0 6px;
}
.faq-answer p{padding-bottom:22px;max-width:800px;}

.cta-box{
  background:var(--field);
  border-radius:var(--radius-banner);
  overflow:hidden;
  position:relative;
  color:#fff;
  padding:64px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-box::before{
  content:"";
  position:absolute;
  right:-120px;
  top:-100px;
  width:360px;
  height:360px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(15,107,79,.45), transparent 65%);
}
.cta-box .cta-title{font-size:1.7rem;margin-bottom:6px;font-weight:800;}
.cta-box p{color:rgba(255,255,255,.84);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:3;}
.qr-placeholder{
  width:120px;
  height:120px;
  border:2px dashed rgba(255,255,255,.4);
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:rgba(255,255,255,.65);
  font-size:.78rem;
  text-align:center;
  line-height:1.4;
  padding:8px;
}
.cta-box-center{
  background:var(--primary-dark);
}
.cta-left{max-width:560px;}

.site-footer{
  background:var(--field-deep);
  color:#A9B8B0;
  padding:64px 0 0;
  margin-top:0;
}
.site-footer .brand .brand-top{color:#fff;}
.site-footer .brand .brand-bottom{color:var(--accent);}
.site-footer .footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-about p{font-size:.92rem;max-width:360px;margin-top:18px;}
.footer-col h4{
  font-size:.96rem;
  color:#fff;
  margin-bottom:16px;
  padding-left:12px;
  position:relative;
}
.footer-col h4::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  width:4px;
  height:16px;
  border-radius:4px;
  background:var(--accent);
}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col a{color:#A9B8B0;transition:color .2s;}
.footer-col a:hover{color:var(--accent);}
.footer-contact-list li{
  display:flex;
  align-items:center;
  gap:9px;
  line-height:1.4;
  font-size:.9rem;
}
.footer-contact-list svg{width:17px;height:17px;flex:none;color:var(--accent);}
.site-footer .footer-banner-bottom{
  border-top:1px solid rgba(255,255,255,.13);
  padding:18px 0;
  font-size:.86rem;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  color:#7F948B;
}
.footer-tip{
  line-height:1.7;
}
.footer-tip span{color:#596F67;}

@media (min-width:1025px){
  .mobile-nav-close{display:none !important;}
}
@media (max-width:1024px){
  .nav-toggle{display:flex;}
  .nav-download-btn{display:none;}
  .mobile-download-btn{display:flex;width:100%;}
  .main-nav{
    position:fixed;
    top:0;
    right:0;
    width:min(340px,88%);
    height:100vh;
    background:#fff;
    z-index:200;
    flex-direction:column;
    transform:translateX(106%);
    transition:transform .3s ease;
    padding:24px 18px;
    margin:0;
    box-shadow:0 0 60px rgba(7,37,27,.3);
    overflow-y:auto;
  }
  .site-header.nav-open .main-nav{transform:translateX(0);}
  .main-nav nav{display:flex;flex-direction:column;height:100%;}
  .main-nav ul{flex-direction:column;margin-top:20px;width:100%;gap:6px;}
  .main-nav ul li a{
    width:100%;
    border-radius:14px;
    justify-content:space-between;
    padding:13px 16px;
    font-size:1.05rem;
  }
  .main-nav ul li.active a{background:var(--tag-bg);}
  .main-nav ul li.active a::after{
    left:auto;
    right:16px;
    width:8px;
    height:8px;
    border-radius:50%;
    background:var(--accent);
  }
  .mobile-nav-close{
    display:flex;
    margin-left:auto;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media (max-width:900px){
  .news-layout{grid-template-columns:1fr 1fr;}
  .news-card:first-child{grid-column:1 / -1;}
  .news-card:first-child .news-card-hd{display:flex;flex-direction:row;align-items:stretch;}
  .page-hero{min-height:auto;padding:60px 0;}
  .full-banner-inner{padding:38px 26px;}
}
@media (max-width:768px){
  .section{padding:64px 0;}
  .news-layout{grid-template-columns:1fr;}
  .stream-wrap{padding:28px 20px;}
  .stream-item{flex-direction:column;gap:8px;}
  .stream-date{width:auto;}
  .insight-wrap{grid-template-columns:1fr;gap:30px;}
  .insight-pic img{aspect-ratio:16/10;}
  .flow-fold{grid-template-columns:1fr;}
  .faq-wrap{padding:24px 18px;}
  .cta-box{padding:44px 24px;flex-direction:column;align-items:flex-start;gap:26px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-about{grid-column:1 / -1;}
}
@media (max-width:560px){
  .navbar{min-height:68px;gap:8px;}
  .container{padding:0 16px;}
  .nav-right{gap:8px;}
  .brand-mark{width:36px;height:36px;border-radius:11px;font-size:18px;}
  .brand-top{font-size:1rem;}
  .brand-bottom{font-size:.66rem;letter-spacing:.06em;}
  .page-hero{padding:52px 0 64px;}
  .page-hero h1{font-size:1.85rem;}
  .page-hero h1 span{display:block;}
  .breadcrumb{margin-bottom:30px;font-size:.82rem;padding:8px 12px;}
  .hero-lead{font-size:.98rem;}
  .hero-actions .btn{width:100%;}
  .full-banner-inner{padding:34px 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{align-items:flex-start !important;flex-direction:column;}
  .section-head{margin-bottom:26px;}
  .faq-question{font-size:.98rem;padding:20px 2px;}
  .cta-box{padding:36px 20px;}
}